Patent US2924776A successfully refreshed from Google Patents.
US2924776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tuner
Assignee: Individual
•
Filing: 1955-07-26
•
Granted: 1960-02-09
•
Expires: 1975-07-26
Abstract
No abstract record available.
Inventors
- 👤 Richard H Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:23
CPC Classifications
G; G10; G10H; G10H5/00; G10H5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1846314A
Cited
US1982340A
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US1947187A
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US2087652A
Cited
US2543629A
Cited
US2730681A
Cited
US2680198A
Cited
US2806953A
Cited
US2806954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |